2.14% is the change from 515 to 526
Calculation steps:
[( 526 - 515 ) ÷ 515] x 100 = 2.14%
Formula
Percentage change = [(526 - 515) / 515] x 100
Subtract the new number by the original number
526 - 515 = 11
11 ÷ 515 = 0.021359223300970873
0.021359223300970873 x 100 = 2.14%